9th Class Mental Ability Mathematical Operations Question Bank Mathematical Operations

  • question_answer
    If  means \['\times '\],   means \['+'\],  means \['\div '\] \['>'\] means\['='\], \['<'\] means \['\ne '\] means \['>'\] and  means \['<'\] then which one of the following equations is correct ?

    A) 30  10  6  8   7                

    B) 5 2  9  3

    C) 9  25  5 > 13                

    D) 11  5  6 3 9 40

    E) None of these

    Correct Answer: E

    Solution :

    Explanation Option [e] is correct. The new equations will be: [a] \[30\div 10\times 6<8+7\,\]    which is wrong \[18<15\] [b] \[5>2+9\div 3\] \[5>5\]                          which is wrong [c] \[9+25\div 5=13\] \[14=13\]                      which is wrong [d] \[11\times 5<6\times 3\div 9+40\] \[55<42\]                      which is wrong


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